66836656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{245723}}^1$

素因数の和:245748

約数の個数: 20

約数和(自身を含む): 137113992

約数和(自身を除く): 70277336

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 245723, 491446, 982892, 1965784, 3931568, 4177291, 8354582, 16709164, 33418328, 66836656]

約数ペア:

[(1, 66836656), (2, 33418328), (4, 16709164), (8, 8354582), (16, 4177291), (17, 3931568), (34, 1965784), (68, 982892), (136, 491446), (272, 245723)]